4°F to Celsius

4°F is -15.6°C (257.59 K). 4°F equals about -15.6°C. This temperature is below the freezing point of water (0°C / 32°F). Expect ice, frost, and slippery surfaces outdoors.

Fahrenheit to Celsius

Instant two-way conversion with Kelvin and a live scale.

Fahrenheit°F

°F

Type to convert · Enter copies · Ctrl/⌘S swaps

Celsius°C

-15.6°C

Celsius

-15.6 °C

Fahrenheit

4.0 °F

Kelvin

257.6 K

Formula · worked example

°C = (4 − 32) × 5/9 = -15.6

Worked example

°C = (4 − 32) × 5/9 = -15.6

Context: below freezing. Reverse lookup: -15.6°C to Fahrenheit.

Nearby Fahrenheit values

Quick hops around 4°F

Fahrenheit	Celsius
-1°F	-18.3°C
0°F	-17.8°C
1°F	-17.2°C
2°F	-16.7°C
3°F	-16.1°C
4°F	-15.6°C
5°F	-15.0°C
6°F	-14.4°C
7°F	-13.9°C
8°F	-13.3°C
9°F	-12.8°C

More tools: Fahrenheit to Celsius · Celsius to Fahrenheit · Body temperature